Founder Directory
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Founders28
Known for these resultsRole64%Role is parsed from founder titles in yc.db. Known for 64% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio100%Bio coverage: 100% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company43%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 43% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Anchit Kumar@anchit__kumarFounder/CTO · DaqstraS26B2B · San Francisco
- Darell Chua@heyitsdarellFounder/CEO · DaqstraS26B2B · San Francisco
- Virat Singh@viratttFounder/CEO · Financial DatasetsS26B2B · New York
- Alex YeeFounder/CTO · GrocaloS26Consumer · Los Angeles
- Xiaochuan Yu@Nyaaaaa_ovoFounder/CTO · Nebula SecurityS26B2B · San Francisco
- Dennis RenFounder/CEO · Neuron IndustriesS26Industrials · Los Angeles
- Rishabh Chanana@risos8200Founder · OS3S26Industrials · San Francisco
- David Roberts@DSRoberts007Founder/CEO · 10x ScienceW26B2B · San Francisco
- Ariana MirianFounder · BeeSafe AIW26B2B · San Francisco
- Nikolai VoglerFounder/CTO · BeeSafe AIW26B2B · San Francisco
- Zach Zhong@zhubzyzFounder/CTO · Bubble LabW26B2B · San Francisco
- Jaihee KimFounder · Aleph LabF25Consumer · San Francisco
- Sky Yang@skygodkingdomFounder/CEO · Imagine AIF25B2B · San Francisco
- Ashwin Ramachandran@ashwinram2002Founder/CEO · ContextFortS25B2B · San Francisco
- Bora Mutluoglu@BoraMutluogluFounder · ReacherS25B2B · San Francisco
- Sankeerth Rao Karingula@sankeerth1729Founder/CEO · Agentin AIW25B2B · San Francisco
- Kyle Wade@superfx64Founder/CTO · MosaicW25Consumer · San Francisco
- Felix Gabler@FelixGablerFounder/CTO · EducatoS24Education · San Francisco
- Dhruhin KurliFounder · PatchworkW24B2B · San Francisco
- PJ SteinerFounder · Ohmic BiosciencesS23Industrials · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Anchit KumarDaqstraFounder/CTOSummer 2026B2BSan Francisco, United States3https://x.com/anchit__kumarDarell ChuaDaqstraFounder/CEOSummer 2026B2BSan Francisco, United States3https://x.com/heyitsdarellVirat SinghFinancial DatasetsFounder/CEOSummer 2026B2BNew York, United States1https://x.com/viratttAlex YeeGrocaloFounder/CTOSummer 2026ConsumerLos Angeles, United States0—Xiaochuan YuNebula SecurityFounder/CTOSummer 2026B2BSan Francisco, United States4https://x.com/Nyaaaaa_ovoDennis RenNeuron IndustriesFounder/CEOSummer 2026IndustrialsLos Angeles, United States2—Rishabh ChananaOS3FounderSummer 2026IndustrialsSan Francisco, United States2https://x.com/risos8200David Roberts10x ScienceFounder/CEOWinter 2026B2BSan Francisco, United States5https://x.com/DSRoberts007Ariana MirianBeeSafe AIFounderWinter 2026B2BSan Francisco, United States3—Nikolai VoglerBeeSafe AIFounder/CTOWinter 2026B2BSan Francisco, United States3—Zach ZhongBubble LabFounder/CTOWinter 2026B2BSan Francisco, United States2https://x.com/zhubzyzJaihee KimAleph LabFounderFall 2025ConsumerSan Francisco, United States2—Sky YangImagine AIFounder/CEOFall 2025B2BSan Francisco, United States5https://x.com/skygodkingdomAshwin RamachandranContextFortFounder/CEOSummer 2025B2BSan Francisco, United States2https://x.com/ashwinram2002Bora MutluogluReacherFounderSummer 2025B2BSan Francisco, United States10https://x.com/BoraMutluogluSankeerth Rao KaringulaAgentin AIFounder/CEOWinter 2025B2BSan Francisco, United States2https://x.com/sankeerth1729Kyle WadeMosaicFounder/CTOWinter 2025ConsumerSan Francisco, United States5https://x.com/superfx64Felix GablerEducatoFounder/CTOSummer 2024EducationSan Francisco, United States5https://x.com/FelixGablerDhruhin KurliPatchworkFounderWinter 2024B2BSan Francisco, United States2—PJ SteinerOhmic BiosciencesFounderSummer 2023IndustrialsSan Francisco, United States2—
Showing 1–20 of 28 founders
Xiaochuan Yu
Founder/CTO·Nebula Security
PRIMARY INFO
RoleFounder/CTO
Team size4
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Founder at Nebula Security (YC S26). Hacked into iPhone, Chrome, Firefox, Safari, QEMU, and various things in your daily life. DEFCON finalist for 3 consecutive years. $200k+ Bug Bounty in Chrome. Core member of r3kapig, the #1 hacking team in the world in 2025, on CTFTime. M.S. from UC San Diego. Research published at USENIX Security, BlackHat USA. Ph.D. droped out.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsPhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Nebula SecurityBuilding Mythos for everyone
